unit RenderSampleControllerU;
interface
uses
MVCFramework, MVCFramework.Commons, ObjectsMappers, System.JSON;
type
[MVCPath('/')]
TRenderSampleController = class(TMVCController)
public
[MVCHTTPMethod([httpGet])]
[MVCPath('/customers')]
// [MVCProduces('application/json')]
procedure GetCustomers_AsDataSet(CTX: TWebContext);
[MVCHTTPMethod([httpGet])]
[MVCPath('/people')]
[MVCProduces('application/json')]
procedure GetPeople_AsObjectList(CTX: TWebContext);
[MVCHTTPMethod([httpGet])]
[MVCPath('/skilledpeople')]
[MVCProduces('application/json')]
procedure GetProgrammersAndPhilosophersAsObjectList(CTX: TWebContext);
[MVCHTTPMethod([httpGet])]
[MVCPath('/customers/view/($id).html')]
[MVCProduces('text/html', 'UTF-8')]
procedure GetPerson_AsHTMLView(CTX: TWebContext);
[MVCHTTPMethod([httpGet])]
[MVCPath('/customers/($id).html')]
[MVCProduces('text/html', 'UTF-8')]
procedure GetPerson_AsHTML(CTX: TWebContext);
[MVCHTTPMethod([httpGet])]
[MVCPath('/customers/unicode/($id).html')]
[MVCProduces('text/html', 'UTF-8')]
procedure GetUnicodeText_AsHTML(CTX: TWebContext);
[MVCHTTPMethod([httpGet])]
[MVCPath('/customers/($id)')]
[MVCProduces('application/json')]
procedure GetCustomerByID_AsTObject(CTX: TWebContext);
[MVCHTTPMethod([httpGet])]
[MVCPath('/files/customers.json')]
[MVCProduces('application/json')]
procedure GetPersonJSON(CTX: TWebContext);
[MVCHTTPMethod([httpGet])]
[MVCPath('/files/customers.txt')]
[MVCProduces('text/plain')]
procedure GetPerson_AsText(CTX: TWebContext);
[MVCHTTPMethod([httpGet])]
[MVCPath('/files/customers.png')]
[MVCProduces('image/png')]
procedure GetPersonPhoto(CTX: TWebContext);
[MVCHTTPMethod([httpGet])]
[MVCPath('/images/customers/($id)')]
procedure GetPersonPhotoAsStream(CTX: TWebContext);
end;
implementation
uses
System.SysUtils, BusinessObjectsU, Data.DBXJSON, WebModuleU,
Generics.Collections,
System.Classes;
{ TRoutingSampleController }
procedure TRenderSampleController.GetUnicodeText_AsHTML(CTX: TWebContext);
var
s: string;
begin
s := '';
s := s + '什么是Unicode(统一码)? in Simplified Chinese
';
s := s + 'Što je Unicode? in Croatian
';
s := s + 'Co je Unicode? in Czech';
s := s + '';
Render(s);
end;
procedure TRenderSampleController.GetCustomerByID_AsTObject(CTX: TWebContext);
var
Cust: TCustomer;
begin
if CTX.Request.ParamsAsInteger['id'] = 7 then // just a sample
Render(404, 'Customer Not Found')
else
begin
Cust := TCustomer.Create;
Cust.Name := 'Daniele Teti Inc.';
Cust.ContactFirst := 'Daniele';
Cust.ContactLast := 'Teti';
Cust.AddressLine1 := 'Rome Street 12';
Cust.AddressLine2 := '00100';
Cust.City := 'ROME';
Render(Cust);
end;
end;
procedure TRenderSampleController.GetCustomers_AsDataSet(CTX: TWebContext);
var
wm: TWebModule1;
begin
wm := GetCurrentWebModule as TWebModule1;
wm.qryCustomers.Open;
Render(wm.qryCustomers);
end;
procedure TRenderSampleController.GetPerson_AsHTML(CTX: TWebContext);
begin
ResponseStream.Append('')
.Append('- FirstName: Daniele
').Append('- LastName: Teti')
.AppendFormat('
- DOB: %s
', [ISODateToString(EncodeDate(1975, 5, 2))])
.Append('- Married: yes
').Append('
');
Render;
end;
procedure TRenderSampleController.GetPerson_AsHTMLView(CTX: TWebContext);
var
Cust: TCustomer;
begin
Cust := TCustomer.Create;
Cust.Name := 'Daniele Teti Inc.';
Cust.ContactFirst := 'Daniele';
Cust.ContactLast := 'Teti';
Cust.AddressLine1 := 'Rome Street 12';
Cust.AddressLine2 := '00100';
Cust.City := 'ROME';
PushObjectToView('customer', Cust);
LoadView(['header', 'customer', 'footer']);
Render;
{ If you need more flexibility, you can use GetRenderedView to compose your
output using small views.
Here's an example:
ContentType := TMVCMediaType.TEXT_HTML;
Render(GetRenderedView(['header', 'customer','footer']));
}
end;
procedure TRenderSampleController.GetPerson_AsText(CTX: TWebContext);
begin
ResponseStream.AppendLine('FirstName: Daniele').AppendLine('LastName : Teti')
.AppendLine('DOB : ' + ISODateToString(EncodeDate(1975, 5, 2)))
.AppendLine('Married : yes');
Render;
end;
procedure TRenderSampleController.GetProgrammersAndPhilosophersAsObjectList
(CTX: TWebContext);
var
List: TObjectList;
p: TProgrammer;
ph: TPhilosopher;
begin
List := TObjectList.Create(True);
p := TProgrammer.Create;
p.Married := True;
p.FirstName := 'Peter';
p.LastName := 'Parker';
p.Skills := 'Delphi, JavaScript, Python, C++';
List.Add(p);
ph := TPhilosopher.Create;
p.Married := False;
ph.FirstName := 'Bruce';
ph.LastName := 'Banner';
ph.Mentors := 'Abbagnano, Algarotti, Cavalieri, Pareyson';
List.Add(ph);
p := TProgrammer.Create;
p.Married := False;
p.FirstName := 'Sue';
p.LastName := 'Storm';
p.Skills := 'Delphi, JavaScript';
List.Add(p);
Render(List);
end;
procedure TRenderSampleController.GetPeople_AsObjectList(CTX: TWebContext);
var
p: TPerson;
People: TObjectList;
begin
People := TObjectList.Create(True);
{$REGION 'Fake data'}
p := TPerson.Create;
p.FirstName := 'Daniele';
p.LastName := 'Teti';
p.DOB := EncodeDate(1979, 11, 4);
p.Married := True;
People.Add(p);
p := TPerson.Create;
p.FirstName := 'John';
p.LastName := 'Doe';
p.DOB := EncodeDate(1879, 10, 2);
p.Married := False;
People.Add(p);
p := TPerson.Create;
p.FirstName := 'Jane';
p.LastName := 'Doe';
p.DOB := EncodeDate(1883, 1, 5);
p.Married := True;
People.Add(p);
{$ENDREGION}
Render(People);
// or if you want to be more opne to future extension
// RenderListAsProperty('people', People);
end;
procedure TRenderSampleController.GetPersonJSON(CTX: TWebContext);
var
p: TJSONObject;
begin
p := TJSONObject.Create;
p.AddPair('FirstName', 'Daniele');
p.AddPair('LastName', 'Teti');
p.AddPair('DOB', ISODateToString(EncodeDate(1975, 5, 2)));
p.AddPair('Married', TJSONTrue.Create);
Render(p);
end;
procedure TRenderSampleController.GetPersonPhoto(CTX: TWebContext);
begin
// ContentType := 'image/jpeg';
SendFile('..\..\..\_\customer.png');
end;
procedure TRenderSampleController.GetPersonPhotoAsStream(CTX: TWebContext);
var
LPhoto: TFileStream;
begin
LPhoto := TFileStream.Create('..\..\..\_\customer.png',
fmOpenRead or fmShareDenyWrite);
ContentType := 'image/png'; // you can also use MVCProduces attribute
// LPhoto is a plain TStream descendant, so it can be rendered as usual
Render(LPhoto, True);
end;
end.